I was a little curious about this too. It's contrary to what I see in the Go and Rust compilers. My understanding was that it's good to have a go at parsing all

I was a little curious about this too. It's contrary to what I see in the Go and Rust compilers. My understanding was that it's good to have a go at parsing all input if possible so the end-user can batch fix mistakes, but it's unreasonable to expect error checking in post-parsing steps to occur if there are parse errors because the AST is almost certainly incomplete.